step 1. create the manpage using a text editor
the name of the file will be hackertown.1 ( NOTE: that's the number one )
click here for a sample that you can use to copy and pste.

step 2. test it using ( man -l hackertown.1 ) NOTE: that's a dash lower case ell after the word "man"

step 3. compress the manpage using ( gzip hackertown.1 )

step 4. copy the file using ( cp hackertown.1.gz /usr/share/man/man1/. )

You may need to be root to copy the manpage
If you don't have root access, try ( man -l hackertown.1.gz )

Now you should be able to type ( man hackertown ) and see your new manpage.